<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>输入信息不能为空或空字符</title>
</head>
<body>
<center>
<h1>注册失败，注册信息有误，重新<a href="reg.html">注册</a> </h1>
</center>
</body>
</html>